The Aging Process Essay Example For Students

The Aging Process Essay The Aging ProcessWhy should the human body give out after 70, 80, or even 120 years? Why are older people more susceptible to disease, more inclined to have impaired vision and hearing, and likely to lose some of the physical and mental capacity they once enjoyed?There are no fully satisfactory answers to these questions. Although we are mortal, it is entirely possible that one day humans could live much longer. The present potential life span for humans is said to be 115 years and today thousands of people live to be over 100. United States citizens now expect to live an average of 74.7 years. Women have a life expectancy of 78.3 years and men 71.1 years. Yet these figures have very little to do with potential life expectancy, because most people have their life altered and cut short from disease and disability, not from aging. No one is so oldas to think he cannotlive one more year. We will write a custom essay on The Aging Process specifically for you for only $16.38 $13.9/page Order now Cicero (106-43 B.C.) It is still true that approximately 70% of all deaths in the United States are from heart disease, strokes, and cancer. Other diseases, accidents, and violence account for the restbut not age. These same diseases and Alzheimers disease account for much of the disability attributed to aging. As these diseases are conquered, far more people will live to their full potential life span and remain active and healthy for life. A lot is known about the diseases that affect people and cause death. Much less is known about real aging because it involves fundamental cell processes that are quite complex. However, this mystery of life is being unraveled and will offer opportunities in the future that were once considered to be only possible in science fiction. It is hard to improve on the advice given by Seneca (4 B.C. -65 A.D.) to eat moderate amounts of well-balanced foods, get plenty of fresh air, exercise, and live a stress-free life-style. Your life literally depends upon the ability of your cells to regenerate. They do this in a manner similar to one-cell organisms that simply divide and go on living as two daughter one-cell organisms. Before your cells can divide to reproduce themselves, they must first produce a duplicate copy of the genes. One of the most important examples of replication is of your blood cells. Your red blood cells live only an average 110 days, and they must be constantly replaced. Without replacement, you would soon develop serious anemia. The lining of your small intestine is completely replaced every three days. Your skin is constantly regenerated with the new cells formed in the deeper layers, while the old cells move to the top and are shed. It is this constant state of regeneration that enables the body to be young. It also enables healing to take place, as occurs after an injury. WHY DOESNT THE BODYJUST CONTINUE TO RENEW ITSELFINDEFINITELY SO THATWE DONT GROW OLD? There are a number of the ories for this big question:The regeneration process is under the control of a genetic script that determines when certain events should occur in your life. It controls when speech will begin, when teeth will erupt, the onset of puberty, the onset of menopause, and other changes in the stages of life. The nature of this script, sometimes called the biological clock, is not determined, but it is suspected that it is part of the brains function. Organs and tissues often undergo changes because the cells used to form them no longer function in the same manner that they once did when young, or in the first years of duplication. For example, ovaries are not activated until puberty arrives. What activates them? Then the ovaries begin to sputter to a stop. What stops ovarian function? The timing of these events depends on the genetic script a person inherits at birth. .udbfdad5ee6eb0c2167e297840837fe1e , .udbfdad5ee6eb0c2167e297840837fe1e .postImageUrl , .udbfdad5ee6eb0c2167e297840837fe1e .centered-text-area { min-height: 80px; position: relative; } .udbfdad5ee6eb0c2167e297840837fe1e , .udbfdad5ee6eb0c2167e297840837fe1e:hover , .udbfdad5ee6eb0c2167e297840837fe1e:visited , .udbfdad5ee6eb0c2167e297840837fe1e:active { border:0!important; } .udbfdad5ee6eb0c2167e297840837fe1e .clearfix:after { content: ""; display: table; clear: both; } .udbfdad5ee6eb0c2167e297840837fe1e { display: block; transition: background-color 250ms; webkit-transition: background-color 250ms; width: 100%; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; background-color: #95A5A6; } .udbfdad5ee6eb0c2167e297840837fe1e:active , .udbfdad5ee6eb0c2167e297840837fe1e:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; background-color: #2C3E50; } .udbfdad5ee6eb0c2167e297840837fe1e .centered-text-area { width: 100%; position: relative ; } .udbfdad5ee6eb0c2167e297840837fe1e .ctaText { border-bottom: 0 solid #fff; color: #2980B9; font-size: 16px; font-weight: bold; margin: 0; padding: 0; text-decoration: underline; } .udbfdad5ee6eb0c2167e297840837fe1e .postTitle { color: #FFFFFF; font-size: 16px; font-weight: 600; margin: 0; padding: 0; width: 100%; } .udbfdad5ee6eb0c2167e297840837fe1e .ctaButton { background-color: #7F8C8D!important; color: #2980B9; border: none; border-radius: 3px; box-shadow: none; font-size: 14px; font-weight: bold; line-height: 26px; moz-border-radius: 3px; text-align: center; text-decoration: none; text-shadow: none; width: 80px; min-height: 80px; background: url(https://artscolumbia.org/wp-content/plugins/intelly-related-posts/assets/images/simple-arrow.png)no-repeat; position: absolute; right: 0; top: 0; } .udbfdad5ee6eb0c2167e297840837fe1e:hover .ctaButton { background-color: #34495E!important; } .udbfdad5ee6eb0c2167e297840837fe1e .centered-text { display: table; height: 80px; padding-left : 18px; top: 0; } .udbfdad5ee6eb0c2167e297840837fe1e .udbfdad5ee6eb0c2167e297840837fe1e-content { display: table-cell; margin: 0; padding: 0; padding-right: 108px; position: relative; vertical-align: middle; width: 100%; } .udbfdad5ee6eb0c2167e297840837fe1e:after { content: ""; display: block; clear: both; } READ: Mr. Smith Goes To Washington EssaySome investigators believe the immune system is responsible for aging. As people get older, two things happen related to this. The body produces more autoimmune antibodies. Sometimes these antibodies attack the bodys own tissues as if they were foreign substances or bacteria. In extreme states they cause many diseases, called autoimmune diseases. Other changes occur when the bodys immune defenses decrease. The thymus gland, which prepares white blood cells (the T-cells) to carry out their defense actions to protect the body, deteriorates. The decrease in immunity can cause a person to be more susceptible to diseases, like pneumonia, for ex ample. In other words, the body just stops functioning, maybe because it accurately reads an unconscious signal from the brain that this person is discouraged and depressed and no longer wants to live. There are other theories like the free-radical theory and the cross-linked theory that tells us what happens but does not tell us why. In fact, no theory really explains why the body ages. SENILE DEMENTIAA major concern of many people is the possibility that they will lose their mental abilities as they grow old. The extreme of this is senile dementia, which can result in a person being totally incapacitated and no longer in touch with reality. Medical science now recognizes that this is not aging at all, but the result of disease. The problem to solve here is not to unravel the mystery of aging, but to find ways of preventing and treating the diseases responsible for senile dementia. The complex interrelation of nerve cells and brain chemistry is one of the most important frontiers of medicine, and there is no doubt that within this field lie many of the answers to the questions about the biological clock that may determine the phases of life and aging. THE AGING BRAINOften it is not aging but disuse that results in decreased mental functions with increasing age. Maintaining the ability to concentrate, continuing to stimulate your memory with memory tasks, and problem solving all help to maintain those functions. The brain may continue to regulate your blood pressure and heart rate and affect whether you sweat or not, because these functions are exercised, but if you dont use your brain for mental tasks, its ability to remember does decrease, not from age but from disuse. SEXUAL FUNCTIONSexual interest does not disappear in women after menopause, but the loss of estrogen definitely influences a womans interest in sex. Estrogen will maintain her organs in a state of sexual readiness. Estrogen replacement helps to prevent the loss of sexual interest and function. The healthy older male continues to produce high levels of testosterone for life. The testicles clearly have a different age cycle from the ovaries. The failure of sexual performance in most older males is not related to lower testosterone levels. The failure to have an erection is usually related to poor circulation because of disease, changes in nerve fibers that control erection because of diabetes and other illness, or to medicines as used in the control of high blood pressure. The decrease in sexual activity in healthy older men seems to be related to opportunity and attitudes rather than hormone levels or real aging. THE SENSE ORGANSThe special senses, such as hearing, seeing, and tasting, are extensions of the nervous system. The progressive loss of taste, smell, and hearing may represent aging of the end cells of the system, such as the taste bud cells or the cells in the nose to detect smell. You can compare them to the ovaries, which have a limited interval for normal function and then disappear. But these same end organ cells can also be affected by disease. The maintenance of these functions at optimal levels may depend on both preventing or curing disease and also preventing aging of specialized sensory cells. .u61984f4f076ae10458f1952ed08af63b , .u61984f4f076ae10458f1952ed08af63b .postImageUrl , .u61984f4f076ae10458f1952ed08af63b .centered-text-area { min-height: 80px; position: relative; } .u61984f4f076ae10458f1952ed08af63b , .u61984f4f076ae10458f1952ed08af63b:hover , .u61984f4f076ae10458f1952ed08af63b:visited , .u61984f4f076ae10458f1952ed08af63b:active { border:0!important; } .u61984f4f076ae10458f1952ed08af63b .clearfix:after { content: ""; display: table; clear: both; } .u61984f4f076ae10458f1952ed08af63b { display: block; transition: background-color 250ms; webkit-transition: background-color 250ms; width: 100%; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; background-color: #95A5A6; } .u61984f4f076ae10458f1952ed08af63b:active , .u61984f4f076ae10458f1952ed08af63b:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; background-color: #2C3E50; } .u61984f4f076ae10458f1952ed08af63b .centered-text-area { width: 100%; position: relative ; } .u61984f4f076ae10458f1952ed08af63b .ctaText { border-bottom: 0 solid #fff; color: #2980B9; font-size: 16px; font-weight: bold; margin: 0; padding: 0; text-decoration: underline; } .u61984f4f076ae10458f1952ed08af63b .postTitle { color: #FFFFFF; font-size: 16px; font-weight: 600; margin: 0; padding: 0; width: 100%; } .u61984f4f076ae10458f1952ed08af63b .ctaButton { background-color: #7F8C8D!important; color: #2980B9; border: none; border-radius: 3px; box-shadow: none; font-size: 14px; font-weight: bold; line-height: 26px; moz-border-radius: 3px; text-align: center; text-decoration: none; text-shadow: none; width: 80px; min-height: 80px; background: url(https://artscolumbia.org/wp-content/plugins/intelly-related-posts/assets/images/simple-arrow.png)no-repeat; position: absolute; right: 0; top: 0; } .u61984f4f076ae10458f1952ed08af63b:hover .ctaButton { background-color: #34495E!important; } .u61984f4f076ae10458f1952ed08af63b .centered-text { display: table; height: 80px; padding-left : 18px; top: 0; } .u61984f4f076ae10458f1952ed08af63b .u61984f4f076ae10458f1952ed08af63b-content { display: table-cell; margin: 0; padding: 0; padding-right: 108px; position: relative; vertical-align: middle; width: 100%; } .u61984f4f076ae10458f1952ed08af63b:after { content: ""; display: block; clear: both; } READ: Juvenile Delinquency EssayTHE HEARTVery little is known about aging of the heart. Coronary heart disease that results in heart attacks is not caused by aging at all. It is a disease of the arteries that supply the heart muscle. There are genetic factors that influence the level of cholesterol, which in turn may increase fatty-cholesterol blockage of coronary arteries. Many older people have a decreased capacity for physical activity because the heart has not been exercised adequately. THE MUSCLES AND SKELETONThe changes in the muscles and skeleton are another area where disease is confused with age. A major portion of the decrease in muscle size and strength, seen as people get older, is from disuse. There is some loss of muscle fibers because some of the nerve cells in the spinal cord that control them degenerate with increasing age. But proper exercise can maintain, strengthen, and enlarge the remaining muscle fibers. The skeleton does begin to decrease in size after about age 30. The bones undergo constant changes with remodeling of the bone architecture. This is a regeneration process. After age 30, there is not as much new bone formed as is lost, resulting in a gradual decrease in skeletal size and strength.

Two Articles For Writing an Essay

Two Articles For Writing an EssayYou need to have an article in order to write an essay. Article writing is a great way to get your essay finished quickly and easily without as much hassle.When writing an essay, there are two things you have to focus on. First, the topic of the essay and second, the content of the essay. Both of these are important, as the essay needs to be organized and it must be written with complete information about the topic of the essay. This article will discuss these two things, as well as how you can use articles to make your essay easier and faster to write.The first thing you should do when writing an essay is to find out what the topic of the essay is. This will help you figure out what the essay needs to be about. If you're having trouble determining this, you can always ask your professor or fellow students. But, if you think that this is too difficult to figure out, you can always turn to the Internet. There are many websites online that will give you information about what the topic of the essay is.So, now that you know what the topic of the essay is, you can start writing your essay. It's best if you write your essay in a place where you can be alone. In this way, you can be certain that you aren't distracted by other people around you. However, if you are in a class, you can always write in a private room so you can be alone and do your writing in peace.The next thing you want to do is to get a whole lot of information down on paper. Of course, the information needs to be organized. This means that you need to create an outline. In order to do this, you'll want to sit down and write a simple outline of what the rest of the essay is going to be about.Before you ever start writing your essay, you need to have an outline. This will give you direction in what you should write about, how long the essay should be and how to structure the essay. Even if you haven't planned on writing an essay before, you can still learn about writin g an essay by reading a book on the subject. Many people like to read books to learn about different topics, and this is an excellent way to learn about this topic as well.One more tip when writing an essay is to remember that every sentence you write needs to be either formal or informal. These are the two ways you should express yourself in a sentence. Formal sentences are sentences that are proper and formal. Informal sentences are sentences that are not proper but should be used occasionally.Another important tip when writing an essay is to avoid excessive grammar and spelling. As we've already mentioned, formality and informal are both forms of writing, therefore you need to choose which one you want to use. If you really want to get into grammar and spelling, you can always go to an online grammar or spelling software. By using this software, you can always ensure that your work is perfect. You can also practice your writing by creating a draft before you actually write your f inal essay.

Tips to Purchase College Essay Software

Tips to Purchase College Essay SoftwareIf you are an English major, then you might think that writing a college essay is so easy! Yes, there are lots of courses that teach students how to write papers, but does it mean that all college students are capable of writing one? Would you have the confidence in writing a college essay if you're not?There are some things that you need to take into consideration when you're writing a college essay. First of all, your tone of voice should be perfect. Your statement should be very precise, without unnecessary verbosity.It is also a good idea to use a broad range of adjectives and adverbs, so that the rest of your sentences flows together naturally. Another thing that you should do is keep your writing simple. Even if it is hard to do, you should try to avoid adding extra information on purpose. For example, if you need to add more details about the college, then you might have to add more words like 'more'allegedly'.Students with great confiden ce will also be able to handle this type of writing. They will be confident enough to know that they can convey their thoughts and ideas to the reader without sacrificing the quality of their writing.The third point that student writers should keep in mind is to keep it short. The readers don't want to read a long and drawn out essay, especially if it is filled with long paragraphs.The last tip for writing a college essay is to be patient. Writing college essays is not that easy, because there are lots of rules that need to be followed and they usually won't really help the writer in the end. They just get in the way.You should also work hard in order to build up your writer's confidence. Just follow these tips and you'll definitely be able to create good essays.You can also buy a book or find a software program that will help you create your own college essay. You can still use the tips from this article to make your essay the best that it can be.

Custom Built Writing Pen Refills

Custom Built Writing Pen RefillsCustom built writing pen refills are, for the most part, really well thought out and designed. There are a lot of companies out there that offer these types of refills but when you look at the pros and cons of each company, it's important to do your homework first. Here are some things to consider.The first thing to look at is how many styles of refills are available. This might seem obvious but a lot of companies can offer a wide variety of designs and brands. This can be beneficial because it allows you to pick which type of refill you like best. For example, you might prefer the classic clip-on design, but you don't necessarily have to get a pen with the clip on the end. You could get a pen with a refilled cartridge in it, too.Another thing to look at is the refills themselves. You will want to find one that is going to fit in well with your style, style of writing, and your personality. Think about what kind of pens you prefer or what brand of pens you've always liked.As for discount refills, those aren't going to last very long in most cases. The design will wear out faster than other refills, and you'll be out a pen even faster. If you're looking for discount refills, the best bet would be to buy in bulk. Many online retailers offer bulk discounts on their refills.When you're choosing a pen, look for one that comes with a refill included. Usually, these pens don't cost much more than those without refills, so you may find that you save a few dollars when buying one with refills. However, if you're just looking for a basic pen, that should work fine. They aren't usually very stylish, and they will probably need to be refilled quite often, so this option isn't great for most people.There are a few things to consider if you're not already doing so. For example, you might want to consider having more than one color for your pen. A black pen with a blue ink refill will look great, but you may want to consider getting colored ref ills to match your outfit.If you don't mind looking online, you can buy custom built writing pen refills and save a lot of money. This is true of most online retailers.If you're considering buying your writing pen refills online, you may want to do some research before making your final decision. Research is key in the Internet age, so take the time to research each company and find out the pros and cons of each company.